:root{
  /* Shadows are warm and short - printed-paper offset, never soft blue blur. */
  --shadow-none:none;
  --shadow-sm:0 1px 0 0 rgba(35,28,21,.10);
  --shadow-card:0 1px 2px rgba(35,28,21,.07), 0 6px 14px -8px rgba(35,28,21,.16);
  --shadow-raised:0 2px 4px rgba(35,28,21,.08), 0 14px 28px -14px rgba(35,28,21,.22);
  --shadow-dialog:0 24px 60px -20px rgba(35,28,21,.38);
  --shadow-offset:4px 4px 0 0 var(--ink-900);      /* press-block, brand signature */
  --shadow-offset-clay:4px 4px 0 0 var(--clay-500);
  --inset-sunken:inset 0 1px 2px rgba(35,28,21,.10);
  --ring-focus:0 0 0 3px rgba(201,138,43,.45);
}